Home / 2,278,649.44-3,416,922.15-838,971.28

Finding the Fourth Proportional to 2,278,649.44, 3,416,922.15 and 838,971.28

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Solution

The fourth proportional to 2,278,649.44, 3,416,922.15 and 838,971.28 is: 1,258,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,649.44 : 3,416,922.15 = 838,971.28 : x
  2. Step 2: Convert to fraction form
    2,278,649.44/3,416,922.15 = 838,971.28/x
  3. Step 3: Cross multiply
    2,278,649.44x = 3,416,922.15 × 838,971.28
  4. Step 4: Simplify right side
    2,278,649.44x = 2,866,699,549,845.85
  5. Step 5: Solve for x
    x = 2,866,699,549,845.85/2,278,649.44
  6. Step 6: Final answer
    x = 1,258,069.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.